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Hill Assist; Question

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by hsnmz, Oct 14, 2013.

  1. hsnmz

    hsnmz Junior Member

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    A friend of mine has recently (4 days ago) got a 2010 Prius III. On saturday while stoping at a red light the hill assist got activated, maybe he depressed the brake pedal too hard. Now the problem is that the hill assist is permanently active in his car i.e the hill assist icon stays there whenever he turns his car on. He has tried to repeat the hard press brake pedal process but to no avail. So need help how to deactivate it.
     
    #1 hsnmz, Oct 14, 2013
  2. jdk2

    jdk2 Active Member

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    The icon on the dash is the Traction Control/VSC and is possibly indicating a malfunction in that system. The hill assist will cause the light to flash. If it's on steadily, there's a problem.
     
    #2 jdk2, Oct 14, 2013
  3. fuzzy1

    fuzzy1 Senior Member

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    The hill assist automatically deactivates in few seconds after releasing the brake pedal. So if the light hasn't gone out, as the previous reply indicated, there is some sort of problem.
     
    #3 fuzzy1, Oct 14, 2013
  4. bisco

    bisco cookie crumbler

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    dealer.
     
    #4 bisco, Oct 14, 2013
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  5. hsnmz

    hsnmz Junior Member

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    Where is this vsc sensor located. How about reseting the ecu, just for a try. I read somewhere that ecu can be reset by removing the battery terminal but don't know which terminal to remove and for how long ?
     
    #5 hsnmz, Oct 16, 2013
  6. El Dobro

    El Dobro A Member

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    You may want to check for codes before you disconnect the battery.
     
    #6 El Dobro, Oct 16, 2013
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